How it works

What your phone can and can't see, and how we decide which results to show you.

Good capture comes first

How you set up the camera matters more than anything else.

We guide you through phone orientation, height, distance, lighting, and what to wear. If your setup doesn't work, we'll have you redo the scan.

The free running scan uses only the side view, since that's the most reliable angle from a single clip. Front view is added in the precision pass.

We show confidence on every metric

If we can't back it up, we don't show it.

Each metric tells you how reliable it is in your scan. The more clearly the camera saw you and the more consistent your reps were, the higher the confidence.

If your feet aren't clearly visible, we won't show speed or stride length — we'll just tell you what to change.

How we know it works

We're building Movement on top of research-grade motion analysis. Here's how we're testing accuracy as we grow:

Comparing scans against lab-grade motion capture.
Running validation cohorts of new runners and return-to-gym users.
Inviting physios and coaches to grade our results.
Tracking real users for 8–12 weeks to see if trends move as expected.